`When the thyroid doesn’t make enough hormones (a condition called Hypothyroidism), your body’s processes slow down: you may feel unusually tired, gain weight despite no major change in diet or activity, become more sensitive to cold, have slower digestion or constipation, dry skin or hair changes, and even mood issues. These symptoms may creep up slowly, which means many people might dismiss them as “just stress,” “getting older,” or “a rough patch”.